545044555 has 8 divisors (see below), whose sum is σ = 713512944. Its totient is φ = 396396000.

The previous prime is 545044553. The next prime is 545044559. The reversal of 545044555 is 555440545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545044555 - 2¹ = 545044553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545044553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4954896 + ... + 4955005.

It is an arithmetic number, because the mean of its divisors is an integer number (89189118).

Almost surely, 2^545044555 is an apocalyptic number.

545044555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

545044555 is a deficient number, since it is larger than the sum of its proper divisors (168468389).

545044555 is a wasteful number, since it uses less digits than its factorization.

545044555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909917.

The product of its (nonzero) digits is 200000, while the sum is 37.

The square root of 545044555 is about 23346.1893036101. The cubic root of 545044555 is about 816.8531756908.

It can be divided in two parts, 5450 and 44555, that added together give a palindrome (50005).

The spelling of 545044555 in words is "five hundred forty-five million, forty-four thousand, five hundred fifty-five".